Home / 2,769.39-4,152.87-1,036.80

Finding the Fourth Proportional to 2,769.39, 4,152.87 and 1,036.80

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Solution

The fourth proportional to 2,769.39, 4,152.87 and 1,036.80 is: 1,554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.39 : 4,152.87 = 1,036.80 : x
  2. Step 2: Convert to fraction form
    2,769.39/4,152.87 = 1,036.80/x
  3. Step 3: Cross multiply
    2,769.39x = 4,152.87 × 1,036.80
  4. Step 4: Simplify right side
    2,769.39x = 4,305,680.05
  5. Step 5: Solve for x
    x = 4,305,680.05/2,769.39
  6. Step 6: Final answer
    x = 1,554.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.